C. The coastline now has less protection against erosion.
D. The coral reef now has less protection against deposition.
A coral reef has thrived near a coastline for thousands of years. Over the last decade, climate change has caused sea levels to rise. The coral reef is now deeper under water. Which sentence accurately describes the effects of this change? Select the two correct answers.(1 point)
A. The coastline now has more protection against erosion.
B. The coral reef now has more protection against deposition.
C. The coastline now has less protection against erosion.
D. The coral reef now has less protection against deposition.
11 answers
What is the role of water in the chemical weathering of rock?(1 point)
Responses
A. It aids in changing the chemical composition of rock.
B. It combines chemicals in the rock with carbon.
C. It causes small pieces of rock to adhere together.
D. It dissolves rock in the chemical weathering process.
Responses
A. It aids in changing the chemical composition of rock.
B. It combines chemicals in the rock with carbon.
C. It causes small pieces of rock to adhere together.
D. It dissolves rock in the chemical weathering process.
A. It aids in changing the chemical composition of rock.
Which is an example of chemical weathering?(1 point)
Responses
A. a crack in rock growing larger as water freezes in it
B. rock breaking apart during a rock slide
C. burrowing animals digging a home in rock
D. decomposition of rock when exposed to acidic plants
Responses
A. a crack in rock growing larger as water freezes in it
B. rock breaking apart during a rock slide
C. burrowing animals digging a home in rock
D. decomposition of rock when exposed to acidic plants
D. decomposition of rock when exposed to acidic plants
In frost wedging, a crack expands when water __________. When the water ___________ it can seep into new fissures in the rock. (fill in the blanks)(1 point)
Responses
A. melts, melts
B. freezes, melts
C. melts, freezes
D. freezes, freezes
Responses
A. melts, melts
B. freezes, melts
C. melts, freezes
D. freezes, freezes
B. freezes, melts
The natural shifting of a river’s course has caused the river to separate into two branches. One branch continues in the river’s previous course. The other branch takes a new route across the land. Eventually, it empties into the ocean. Which landform will most likely form where the new branch empties into the ocean?(1 point)
Responses
A. mountain
B. hill
C. canyon
D. delta
Responses
A. mountain
B. hill
C. canyon
D. delta
D. delta
How did the success of photosynthetic bacteria change Earth’s atmosphere?(1 point)
Responses
A. decreased hydrogen concentration
B. increased hydrogen concentration
C. decreased oxygen concentration
D. increased oxygen concentration
Responses
A. decreased hydrogen concentration
B. increased hydrogen concentration
C. decreased oxygen concentration
D. increased oxygen concentration
D. increased oxygen concentration